# MPD05N50B

**miracle** · MOSFETs · TO-252

MPD05N50B from miracle, in a TO-252. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

## Pinout

| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | G | input | Gate; drive with VGS = 10V for the specified RDS(on) of 2.0Ω typ., absolute maximum VGS ±30V. |
| 2 | D | passive | Drain (also the exposed tab); VDS max 500V, continuous ID 5A at TC=25°C, pulsed IDM 20A. |
| 3 | S | passive | Source; body diode continuous forward current IS 5A, pulsed ISM 20A. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | miracle |
| Package | TO-252 |
| Category | Transistors/Thyristors |
| Pins | 3 |

## Electrical characteristics

Limits as printed in the datasheet (page.json `metadata.characteristics` carries them as data).

| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Drain-Source Voltage | VDS |  |  | 500 | V |  | 1 |
| Gate-Source Voltage | VGS | -30 |  | 30 | V |  | 1 |
| Drain Current-Continuous | ID |  |  | 5 | A | TC = 25°C | 1 |
| Drain Current-Continuous | ID |  |  | 3.2 | A | TC = 100°C | 1 |
| Drain Current-Pulsed | IDM |  |  | 20 | A |  | 1 |
| Maximum Power Dissipation | PD |  |  | 98 | W | TJ = 25°C | 1 |
| Peak Diode Recovery dv/dt | dv/dt |  |  | 5 | V/ns |  | 1 |
| Single Pulsed Avalanche Energy | EAS |  |  | 125 | mJ |  | 1 |
| Operating and Storage Temperature Range | TJ, TSTG | -55 |  | 150 | °C |  | 1 |
| Drain-Source Breakdown Voltage | BVDSS | 500 |  |  | V | VGS = 0V, ID = 250μA | 1 |
| Zero Gate Voltage Drain Current | IDSS |  |  | 1 | μA | VDS = 500V, VGS = 0V | 1 |
| Forward Gate Body Leakage Current | IGSS | -100 |  | 100 | nA | VDS = 0V, VGS = ±30V | 1 |
| Gate Threshold Voltage | VGS(th) | 2 | 3.1 | 4 | V | VDS = VGS, ID = 250μA | 2 |
| Static Drain-Source On-Resistance | RDS(on) |  | 2 | 2.5 | Ω | VGS = 10V, ID = 2.5A | 2 |
| Drain-Source Diode Forward Continuous Current | IS |  |  | 5 | A | VGS = 0V | 2 |
| Maximum Pulsed Current | ISM |  |  | 20 | A | VGS = 0V | 2 |
| Drain-Source Diode Forward Voltage | VSD |  | 0.86 | 1.15 | V | VGS = 0V, IS = 5A | 2 |
| Thermal Resistance, Junction to Case | RθJC |  | 1.27 |  | °C/W |  | 1 |
| Thermal Resistance, Junction to Ambient | RθJA |  | 60 |  | °C/W |  | 1 |

## CAD (KiCad official)

- Symbol: `MPD05N50B`
- Footprint: `Package_TO_SOT_SMD:TO-252-2`
- 3D model: TO-252 (KiCad packages3D, STEP)
- 3D model files: `mpd05n50b-etched.step` / `mpd05n50b-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `mpd05n50b.step` / `mpd05n50b.glb` are the bare package body.

## Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

- **Datasheet:** [miracle datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8602905574493335552) (5 pp, sha256 `9bef1652491ca76f`, retrieved 2026-10-19, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-5-5` (text+vision), consensus `claude-opus-5-5` (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
- **CAD:** KiCad official libraries (CC-BY-SA 4.0).

[Datasheet PDF](docs/mpd05n50b-datasheet.pdf)